Windows Cannot Be Operated Via Regulator Switch In Each Seat

Windows Cannot Be Operated Via Regulator Switch In Each Seat

CIRCUIT DESCRIPTION
With the ignition switch ON and the window lock switch NORMAL (except driver's seat), each regulator switch drives each power window motor.

NOTE: Power window system has a function with a large-scale body multiplex communications. First of all, inspect the communication function depending on the "how to proceed with troubleshooting", and check there is no abnormality in the communication system. Then finally proceed with the troubleshooting.

Wiring Diagram:

Steps 1 - 2:

Steps 3 - 4:

Step 5:

Steps 6 - 8:

Step 9:

Steps 10 - 11:

Step 11 (continued):

INSPECTION PROCEDURE